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|Birthday||August 16, 1990|
|Occupation||Voice Actor, Actor, Musician|
|Affiliation||Himawari Theatre Group|
Koki Uchiyama (内山 昂輝 Uchiyama Kouki) is a Japanese voice actor, actor and singer from Saitama Prefecture, Japan. He is affiliated with the Himawari Theatre Group and voices Ikuya Kirishima in the Free! series, beginning with High☆Speed！－Free! Starting Days－.
|Released on October 10, 2018|
|Released on October 31, 2018|
|Released on December 26, 2018|
|Released on July 10, 2019|